<template>
  <modal v-if="show" @close="hideModal">
    <div slot="header">
      <ul>
        <li>
          <div class="flex-wrap">
            <h3 class="title">{{ $t("save_request_as") }}</h3>
            <div>
              <button class="icon" @click="hideModal">
                <i class="material-icons">close</i>
              </button>
            </div>
          </div>
        </li>
      </ul>
    </div>
    <div slot="body">
      <ul>
        <li>
          <label for="selectLabel">{{ $t("label") }}</label>
          <input
            type="text"
            id="selectLabel"
            v-model="requestData.name"
            :placeholder="defaultRequestName"
            @keyup.enter="saveRequestAs"
          />
          <label for="selectCollection">{{ $t("collection") }}</label>
          <span class="select-wrapper">
            <select
              type="text"
              id="selectCollection"
              v-model="requestData.collectionIndex"
            >
              <option
                :key="undefined"
                :value="undefined"
                hidden
                disabled
                selected
                >{{ $t("select_collection") }}</option
              >
              <option
                v-for="(collection, index) in $store.state.postwoman
                  .collections"
                :key="index"
                :value="index"
              >
                {{ collection.name }}
              </option>
            </select>
          </span>
          <label for="selectFolder">{{ $t("folder") }}</label>
          <span class="select-wrapper">
            <select
              type="text"
              id="selectFolder"
              v-model="requestData.folderIndex"
            >
              <option :key="undefined" :value="undefined">/</option>
              <option
                v-for="(folder, index) in folders"
                :key="index"
                :value="index"
              >
                {{ folder.name }}
              </option>
            </select>
          </span>
          <label for="selectRequest">{{ $t("request") }}</label>
          <span class="select-wrapper">
            <select
              type="text"
              id="selectRequest"
              v-model="requestData.requestIndex"
            >
              <option :key="undefined" :value="undefined">/</option>
              <option
                v-for="(folder, index) in requests"
                :key="index"
                :value="index"
              >
                {{ folder.name }}
              </option>
            </select>
          </span>
        </li>
      </ul>
    </div>
    <div slot="footer">
      <div class="flex-wrap">
        <span></span>
        <span>
          <button class="icon" @click="hideModal">
            {{ $t("cancel") }}
          </button>
          <button class="icon primary" @click="saveRequestAs">
            {{ $t("save") }}
          </button>
        </span>
      </div>
    </div>
  </modal>
</template>

<script>
export default {
  props: {
    show: Boolean,
    editingRequest: Object
  },
  components: {
    modal: () => import("../../components/modal")
  },
  data() {
    return {
      defaultRequestName: "My Request",
      requestData: {
        name: undefined,
        collectionIndex: undefined,
        folderIndex: undefined,
        requestIndex: undefined
      }
    };
  },
  watch: {
    "requestData.collectionIndex": function resetFolderAndRequestIndex() {
      // if user choosen some folder, than selected other collection, which doesn't have any folders
      // than `requestUpdateData.folderIndex` won't be reseted
      this.$data.requestData.folderIndex = undefined;
      this.$data.requestData.requestIndex = undefined;
    },
    "requestData.folderIndex": function resetRequestIndex() {
      this.$data.requestData.requestIndex = undefined;
    }
  },
  computed: {
    folders() {
      const userSelectedAnyCollection =
        this.$data.requestData.collectionIndex !== undefined;
      if (!userSelectedAnyCollection) return [];

      const noCollectionAvailable =
        this.$store.state.postwoman.collections[
          this.$data.requestData.collectionIndex
        ] !== undefined;
      if (!noCollectionAvailable) return [];

      return this.$store.state.postwoman.collections[
        this.$data.requestData.collectionIndex
      ].folders;
    },
    requests() {
      const userSelectedAnyCollection =
        this.$data.requestData.collectionIndex !== undefined;
      if (!userSelectedAnyCollection) return [];

      const userSelectedAnyFolder =
        this.$data.requestData.folderIndex !== undefined;
      if (userSelectedAnyFolder) {
        const collection = this.$store.state.postwoman.collections[
          this.$data.requestData.collectionIndex
        ];
        const folder = collection.folders[this.$data.requestData.folderIndex];
        const requests = folder.requests;
        return requests;
      } else {
        const collection = this.$store.state.postwoman.collections[
          this.$data.requestData.collectionIndex
        ];
        const noCollectionAvailable =
          this.$store.state.postwoman.collections[
            this.$data.requestData.collectionIndex
          ] !== undefined;
        if (!noCollectionAvailable) return [];

        const requests = collection.requests;
        return requests;
      }
    }
  },
  methods: {
    saveRequestAs() {
      const userDidntSpecifyCollection =
        this.$data.requestData.collectionIndex === undefined;
      if (userDidntSpecifyCollection) {
        this.$toast.error(this.$t("select_collection"), {
          icon: "error"
        });
        return;
      }

      const requestUpdated = {
        ...this.$props.editingRequest,
        name: this.$data.requestData.name || this.$data.defaultRequestName,
        collection: this.$data.requestData.collectionIndex
      };

      this.$store.commit("postwoman/saveRequestAs", {
        request: requestUpdated,
        collectionIndex: this.$data.requestData.collectionIndex,
        folderIndex: this.$data.requestData.folderIndex,
        requestIndex: this.$data.requestData.requestIndex
      });

      this.hideModal();
    },
    hideModal() {
      this.$emit("hide-modal");
      this.$emit("hide-model"); // for backward compatibility  // TODO: use fixed event
    }
  }
};
</script>
